题目

 如图,直线y=ax+b过点A(0,2)和点B(﹣3,0),则方程ax+b=0的解是( )  A.x=2           B.x=0    C.x=﹣1         D.x=﹣3 答案:D  --Do you believe there are aliens? --I'm afraid not.I don't think aliens           in space. A.can find               B.can be found           C.can be founded       D.can't be found
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